Title:
REFRACTION DEVICES
Document Type and Number:
WIPO Patent Application WO/2019/079265
Kind Code:
A3
Abstract:
A refraction device includes a main body, a spherical power lens coupled to the main body, an astigmatic power lens movably coupled to the main body, and a visual display coupled to the main body and oriented toward an optical pathway extending through the spherical power lens and the astigmatic power lens. The visual display is configured to display an image for testing visual acuity.
Inventors:
MACKOOL RICHARD JAMES (US)
MACKOOL RICHARD JONATHAN (US)
KALESKI BRICE (US)
TOWLE ROBERT R (US)
JONES EVAN RITTENHOUSE (US)
SMITH CHRISTOPHER DEAN (US)
MACKOOL RICHARD JONATHAN (US)
KALESKI BRICE (US)
TOWLE ROBERT R (US)
JONES EVAN RITTENHOUSE (US)
SMITH CHRISTOPHER DEAN (US)
Application Number:
PCT/US2018/056034
Publication Date:
April 02, 2020
Filing Date:
October 16, 2018
Export Citation:
Assignee:
ACCUVISIONDESIGNS LLC (US)
International Classes:
A61B3/028; A61B3/032; A61B3/10
Foreign References:
| US20060050238A1 | 2006-03-09 | |||
| US7156517B2 | 2007-01-02 | |||
| US7289254B2 | 2007-10-30 |
Attorney, Agent or Firm:
SHELOWITZ, Bradley J. et al. (US)
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